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a � <br /> Environmental Laboratories__. <br /> Working To Restore Nature <br /> QUALITY ASSURANCENOUALITY CONTROL REPORT <br /> 1omlab[tm <br /> Attention Mr. John Lane Date Analyzed: 10-23-92 ; <br /> RESNA G.C. #: 1 <br /> 1710 Main St Matrix: Water <br /> Escalon, CA 95320 <br /> Project: 195091, Project W0599.01 <br /> Ethyl; Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> Wb <br /> Wb Wb pp Nb <br /> Detection Limit: 0.5 0.5 OS OS 50 50 <br /> f <br /> Blank ND ND ND ND ND NR <br /> w <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> % % % % % % <br /> Standard 95 90 93 92 90 NR i <br /> 1 <br /> MS 110 103 106 101 91 NR <br /> MSD 106 96 98 85 90 NR <br /> M <br /> RPD 3.70 7.04 7.84 17.2 1.10 NR t <br /> 1b -parts per billion u. 6 inkrogram per liter- <br /> ND = Not detected Compound(s)may be present at concentrations below the detection limit <br /> NR=Analysis not requested. <br /> i <br /> MS = Matrix Spike <br /> MSD = Matrix Spike Duplicate <br /> RPD - Relative Percent Difference ; <br /> Acceptable Ransee 1 <br /> Standard 85-115�ia <br /> Blank ND <br /> MS/MSD 70-00% <br /> 'RPD <25% <br /> November 4. 1992 <br /> Laboratory Rejk=ntativc Date Reported <br /> >rtEMA PNVIR0N111 WE0 L LABORATORY IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT'OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY <br /> (Certification No.1211) <br /> 42501 Afbrae Street 0 Fremont, U 94538 0 Phone: (510) 623-0775 0 (800) 247-5223 • FAX: (510) 651-8754 <br />